Combined heat collector and diffuser



FIG. 1 is a front perspective view of a combined heat collector anddiffuser showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view thereof.

The bottom of the combined heat collector and diffuser is open andunornamented.

The ornamental design for a combined heat collector and diffuser,substantially as shown and described.